pre ‧ su ‧ ma ‧ bly S1 W3 AC /prɪˈzjuːməbli $ -ˈzuː-/ BrE AmE adverb
[ Word Family: verb : ↑ presume ; noun : ↑ presumption ; adverb : ↑ presumably ]
used to say that you think something is probably true:
It’s raining, which presumably means that your football match will be cancelled.
[sentence adverb]
He’s dead now, presumably?